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Commit 79290e4b authored by Sean MacLennan's avatar Sean MacLennan Committed by Benjamin Herrenschmidt
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powerpc/warp: Fix ISA_DMA_THRESHOLD default 



If no device is passed to __dma_alloc_coherent, it defaults to using ISA_DMA_THRESHOLD
for the mask. This patch provides a reasonable default rather than 0.

Signed-off-by: default avatarSean MacLennan <smaclennan@pikatech.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 24760823

arch/powerpc/platforms/44x/warp.c

+7 −1
Original line number Diff line number Diff line
@@ -43,7 +43,13 @@ static int __init warp_probe(void) 
{

	unsigned long root = of_get_flat_dt_root();



	return of_flat_dt_is_compatible(root, "pika,warp");

	if (!of_flat_dt_is_compatible(root, "pika,warp"))

		return 0;



	/* For __dma_alloc_coherent */

	ISA_DMA_THRESHOLD = ~0L;



	return 1;

}



define_machine(warp) {